server.c
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/**
* \file
*
* \author Georg Hopp
*
* \copyright
* Copyright (C) 2012 Georg Hopp
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
#include "class.h"
#include "server.h"
#include "socket.h"
#include "logger.h"
#include "interface/class.h"
#include "utils/memory.h"
static
int
serverCtor(void * _this, va_list * params)
{
Server this = _this;
in_port_t port;
unsigned int backlog;
int flags;
this->max_fds = sysconf(_SC_OPEN_MAX);
if (this->max_fds <= 10) { // reserve 10 handles for internal use.
/**
* \todo some logging would be appropriate :)
*/
return -1;
}
this->max_fds -= 10;
this->logger = va_arg(* params, Logger);
this->worker = va_arg(* params, void *);
port = va_arg(* params, int);
backlog = va_arg(* params, unsigned int);
this->fds = calloc(sizeof(struct pollfd), this->max_fds);
this->conns = calloc(sizeof(struct conns), this->max_fds);
this->sock = new(Sock, this->logger, port);
flags = fcntl(this->sock->handle, F_GETFL, 0);
fcntl(this->sock->handle, F_SETFL, flags | O_NONBLOCK);
this->sockSSL = new(Sock, this->logger, port+1);
flags = fcntl(this->sockSSL->handle, F_GETFL, 0);
fcntl(this->sockSSL->handle, F_SETFL, flags | O_NONBLOCK);
SSL_library_init();
SSL_load_error_strings();
this->ctx = SSL_CTX_new(SSLv23_server_method());
SSL_CTX_use_certificate_file(
this->ctx,
"./certs/server.crt",
SSL_FILETYPE_PEM);
SSL_CTX_use_RSAPrivateKey_file(
this->ctx,
"./certs/server.key",
SSL_FILETYPE_PEM);
socketListen(this->sock, backlog);
socketListen(this->sockSSL, backlog);
(this->fds)[0].fd = this->sock->handle;
(this->fds)[0].events = POLLIN;
(this->fds)[1].fd = this->sockSSL->handle;
(this->fds)[1].events = POLLIN;
this->nfds = 2;
return 0;
}
static
void
serverDtor(void * _this)
{
Server this = _this;
int i;
for (i=0; i<this->nfds; i++) {
if (this->sock->handle != (this->fds)[i].fd) {
Stream st = (this->conns[(this->fds)[i].fd]).stream;
delete((this->conns[(this->fds)[i].fd]).sock);
delete((this->conns[(this->fds)[i].fd]).worker);
if (NULL != st && STREAM_SSL == st->type) {
SSL_shutdown((st->handle).ssl);
SSL_free((st->handle).ssl);
}
delete((this->conns[(this->fds)[i].fd]).stream);
}
}
FREE(this->fds);
FREE(this->conns);
delete(this->sock);
delete(this->sockSSL);
SSL_CTX_free(this->ctx);
ERR_free_strings();
}
INIT_IFACE(Class, serverCtor, serverDtor, NULL);
CREATE_CLASS(Server, NULL, IFACE(Class));
// vim: set ts=4 sw=4: